Nuke SamplerRegistry

src/log.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 487 matching lines @@
   Address prev_to_;
   //  Logger::FunctionCreateEvent(...)
   Address prev_code_;
 
   int64_t epoch_;
 
   friend class CpuProfiler;
 };
 
 
-// Process wide registry of samplers.
-class SamplerRegistry : public AllStatic {
- public:
-  enum State {
-    HAS_NO_SAMPLERS,
-    HAS_SAMPLERS,
-    HAS_CPU_PROFILING_SAMPLERS
-  };
-
-  static void SetUp();
-
-  typedef void (*VisitSampler)(Sampler*, void*);
-
-  static State GetState();
-
-  // Iterates over all active samplers keeping the internal lock held.
-  // Returns whether there are any active samplers.
-  static bool IterateActiveSamplers(VisitSampler func, void* param);
-
-  // Adds/Removes an active sampler.
-  static void AddActiveSampler(Sampler* sampler);
-  static void RemoveActiveSampler(Sampler* sampler);
-
- private:
-  static bool ActiveSamplersExist() {
-    return active_samplers_ != NULL && !active_samplers_->is_empty();
-  }
-
-  static List<Sampler*>* active_samplers_;
-
-  DISALLOW_IMPLICIT_CONSTRUCTORS(SamplerRegistry);
-};
-
-
 // Class that extracts stack trace, used for profiling.
 class StackTracer : public AllStatic {
  public:
   static void Trace(Isolate* isolate, TickSample* sample);
 };
 
 } }  // namespace v8::internal
 
 
 #endif  // V8_LOG_H_